Use the comedi_fc helper function instead of duplicating the code.
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/mite.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/comedi/drivers/mite.c b/drivers/staging/comedi/drivers/mite.c
index 9c9a0ee..1a572c8 100644
--- a/drivers/staging/comedi/drivers/mite.c
+++ b/drivers/staging/comedi/drivers/mite.c
@@ -527,9 +527,9 @@ EXPORT_SYMBOL_GPL(mite_dma_disarm);
int mite_sync_input_dma(struct mite_channel *mite_chan,
struct comedi_async *async)
{
+ struct comedi_subdevice *s = async->subdevice;
int count;
unsigned int nbytes, old_alloc_count;
- const unsigned bytes_per_scan = cfc_bytes_per_scan(async->subdevice);
old_alloc_count = async->buf_write_alloc_count;
/* write alloc as much as we can */
@@ -538,7 +538,7 @@ int mite_sync_input_dma(struct mite_channel *mite_chan,
nbytes = mite_bytes_written_to_memory_lb(mite_chan);
if ((int)(mite_bytes_written_to_memory_ub(mite_chan) -
old_alloc_count) > 0) {
- dev_warn(async->subdevice->device->class_dev,
+ dev_warn(s->device->class_dev,
"mite: DMA overwrite of free area\n");
async->events |= COMEDI_CB_OVERFLOW;
return -1;
@@ -551,12 +551,7 @@ int mite_sync_input_dma(struct mite_channel *mite_chan,
return 0;
comedi_buf_write_free(async, count);
-
- async->scan_progress += count;
- if (async->scan_progress >= bytes_per_scan) {
- async->scan_progress %= bytes_per_scan;
- async->events |= COMEDI_CB_EOS;
- }
+ cfc_inc_scan_progress(s, count);
async->events |= COMEDI_CB_BLOCK;
return 0;
}
--
1.8.5.2
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